If there are 2,000 females and 2,000 males enrolled at a college and four different students are randomly selected to receive a
1 answer:
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Answer is A.Zinc
If it not it still Zinc
If it not it still Zinc
So we are given a system:
Substitute x = 2 we get the system:
Multiply the first equation by -5 and the second by 2 we get the system:
Adding the two equations we get :
We find the value of y by using any of the other equations like this:
Final solution:
Substitute x = 2 we get the system:
Multiply the first equation by -5 and the second by 2 we get the system:
Adding the two equations we get :
We find the value of y by using any of the other equations like this:
Final solution: